<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery-3.2.1.min.js"></script>
    <script src="homework1.js"></script>
</head>
<body>
    <select id="provinceSelect"></select>
    <select id="citySelect"></select>
</body>
</html>